Delaware County
Parents in Delaware County researching K-12 options have 10 public schools to consider, with combined enrollment near 2,571 (6 elementary, 2 middle, and 2 high).
7-year change in Delaware County
SY 2017-18 vs SY 2024-25County vs. school enrollment demographics
Left bar is the racial makeup of Delaware County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".
Test scores in Delaware County
Latest 2024-25 ELA proficiency, 6 schools ranked. Iowa state average: 73.7%.
- Maquoketa Valley Middle School· 88.9%
- West Delaware Middle School· 88.4%
- West Delaware High School· 87.1%
- Maquoketa Valley Senior High School· 85.0%
- Delhi Elementary School· 84.4%
- Lambert Elementary School· 67.8%
- Delhi Elementary School· 84.4%
- Maquoketa Valley Senior High School· 85.0%
- West Delaware High School· 87.1%
- West Delaware Middle School· 88.4%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| Lambert Elementary School | Manchester | Elementary | PK-04 | 449 | · |
| West Delaware High School | Manchester | High | 09-12 | 436 | · |
| West Delaware Middle School | Manchester | Middle | 05-08 | 378 | · |
| Dyersville Elementary School | Dyersville | Elementary | PK-05 | 322 | · |
| Edgewood-Colesburg Elementary School | Colesburg | Elementary | PK-06 | 284 | · |
| Maquoketa Valley Senior High School | Delhi | High | 09-12 | 206 | · |
| Delhi Elementary School | Delhi | Elementary | 03-05 | 166 | · |
| Maquoketa Valley Middle School | Delhi | Middle | 06-08 | 145 | · |
| Johnston Elementary School | Hopkinton | Elementary | 01-02 | 94 | · |
| Earlville Elementary School | Earlville | Elementary | PK-KG | 91 | · |
Cities in Delaware County
About Delaware County
Delaware County is a rural-scale county of about 17,558 residents in Iowa. Its public-school system enrolls approximately 2,571 students across 10 schools.
For perspective, census numbers show median household income runs near $74,989, about 23% of adults have a bachelor's degree or above, and roughly 6% of residents live below the federal poverty line. That income level is 5% higher than the Iowa median.
Looking at the level breakdown, Delaware County spans 6 elementary schools (1,406 students), 2 middle schools (523), and 2 high schools (642).
West Delaware County Comm School District is the biggest district by enrollment, covering about 1,263 students across Delaware County.
Trend over the past 7 years. Total public-school enrollment in Delaware County has fell 5% since SY 2017-18, moving from about 2,720 students to 2,571.
On this page, the community for Delaware County discusses school events, board meetings, and seasonal calendars. Anyone with firsthand knowledge of these schools is welcome to weigh in.